package com.haierp.service;

import com.haierp.model.PackageLevel;

public interface IFreightService {
	/**
	 * 根据商品重量和包装重量计算运费
	 * @param itemWeight unit g
	 * @param packageWeight unit g
	 * @return
	 */
	Long calculateFreight(Double itemWeight,Double packageWeight);
	
	PackageLevel getPackageLevel(Long id);
}
